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Finding the Fourth Proportional to 7,074.76, 10,612.22 and 2,457.80

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Solution

The fourth proportional to 7,074.76, 10,612.22 and 2,457.80 is: 3,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.76 : 10,612.22 = 2,457.80 : x
  2. Step 2: Convert to fraction form
    7,074.76/10,612.22 = 2,457.80/x
  3. Step 3: Cross multiply
    7,074.76x = 10,612.22 × 2,457.80
  4. Step 4: Simplify right side
    7,074.76x = 26,082,714.32
  5. Step 5: Solve for x
    x = 26,082,714.32/7,074.76
  6. Step 6: Final answer
    x = 3,686.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.